//
//  AppDelegate.h
//  Text_ problem
//
//  Created by jiboxue on 13-1-7.
//  Copyright (c) 2013年 jiboxue. All rights reserved.
//

#import <UIKit/UIKit.h>
@class RootViewController;
@class EnvelopeAnimationViewController;

@interface AppDelegate : UIResponder <UIApplicationDelegate>

@property (strong, nonatomic) UIWindow *window;

@property (nonatomic, retain) RootViewController *rootVC;
//+(AppDelegate *)sss;

//风火轮
@property(nonatomic,retain)UIAlertView *alertView;
- (BOOL)checkUsernameAndPassword;

@end
